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Killdeer Ave over Buffalo CR

Franklin County, Iowa · rated Fair in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

Killdeer Ave over Buffalo CR in Franklin County, Iowa, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1958, making it 67 years old at the 2025 inventory.
It carries about 20 vehicles a day (traffic count year 2022).
Its listed owner is the county highway agency.
It is one of 96 of the 227 inventoried bridges in Franklin County rated fair (42.3%); 28 (12.3%) are rated poor.
A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.

Component ratings


Structure	Prestressed concrete stringer or multi-beam girder
Length	about 43 ft
Location	092211102
NBI structure number	000000000157790
Condition class	Fair

Source: FHWA National Bridge Inventory, 2025 data as reported by the Iowa department of transportation.

Bridge	Built	Vehicles/day	Condition
I-35 over Drainage Ditch	1972	17,300	Good
I-35 over Drainage Ditch	1973	17,000	Good
I-35 over Drainage Ditch	1972	16,900	Fair
I-35 over Stream	1974	15,300	Fair
I-35 over Drainage Ditch NO.48	1974	15,100	Good
NB I-35 over Buffalo Creek	1973	8,600	Good